Module 528416

function(){!function e(t,n,r){function i(o,s){if(!n[o]){if(!t[o]){if(a)return a(o,!0);var l=Error("Cannot find module '"+o+"'");throw l.code="MODULE_NOT_FOUND",l}var u=n[o]={exports:{}};t[o][0].call(u.exports,function(e){return i(t[o][1][e]||e)},u,u.exports,e,t,n,r)}return n[o].exports}for(var a=void 0,o=0;o<r.length;o++)i(r[o]);return i}({1:[function(e,t,n){"use strict";t.exports=(0,e("./adapter_factory.js").adapterFactory)({window:"u"<typeof window?void 0:window})},{"./adapter_factory.js":2}],2:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.adapterFactory=function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.window,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{shimChrome:!0,shimFirefox:!0,shimEdge:!0,shimSafari:!0},u=r.log,c=r.detectBrowser(t),d={browserDetails:c,commonShim:l,extractVersion:r.extractVersion,disableLog:r.disableLog,disableWarnings:r.disableWarnings};switch(c.browser){case"chrome":if(!i||!i.shimPeerConnection||!n.shimChrome){u("Chrome shim is not included in this adapter release.");break}if(null===c.version){u("Chrome shim can not determine version, not shimming.");break}u("adapter.js shimming chrome."),d.browserShim=i,l.shimAddIceCandidateNullOrEmpty(t,c),i.shimGetUserMedia(t,c),i.shimMediaStream(t,c),i.shimPeerConnection(t,c),i.shimOnTrack(t,c),i.shimAddTrackRemoveTrack(t,c),i.shimGetSendersWithDtmf(t,c),i.shimGetStats(t,c),i.shimSenderReceiverGetStats(t,c),i.fixNegotiationNeeded(t,c),l.shimRTCIceCandidate(t,c),l.shimConnectionState(t,c),l.shimMaxMessageSize(t,c),l.shimSendThrowTypeError(t,c),l.removeExtmapAllowMixed(t,c);break;case"firefox":if(!o||!o.shimPeerConnection||!n.shimFirefox){u("Firefox shim is not included in this adapter release.");break}u("adapter.js shimming firefox."),d.browserShim=o,l.shimAddIceCandidateNullOrEmpty(t,c),o.shimGetUserMedia(t,c),o.shimPeerConnection(t,c),o.shimOnTrack(t,c),o.shimRemoveStream(t,c),o.shimSenderGetStats(t,c),o.shimReceiverGetStats(t,c),o.shimRTCDataChannel(t,c),o.shimAddTransceiver(t,c),o.shimGetParameters(t,c),o.shimCreateOffer(t,c),o.shimCreateAnswer(t,c),l.shimRTCIceCandidate(t,c),l.shimConnectionState(t,c),l.shimMaxMessageSize(t,c),l.shimSendThrowTypeError(t,c);break;case"edge":if(!a||!a.shimPeerConnection||!n.shimEdge){u("MS edge shim is not included in this adapter release.");break}u("adapter.js shimming edge."),d.browserShim=a,a.shimGetUserMedia(t,c),a.shimGetDisplayMedia(t,c),a.shimPeerConnection(t,c),a.shimReplaceTrack(t,c),l.shimMaxMessageSize(t,c),l.shimSendThrowTypeError(t,c);break;case"safari":if(!s||!n.shimSafari){u("Safari shim is not included in this adapter release.");break}u("adapter.js shimming safari."),d.browserShim=s,l.shimAddIceCandidateNullOrEmpty(t,c),s.shimRTCIceServerUrls(t,c),s.shimCreateOfferLegacy(t,c),s.shimCallbacksAPI(t,c),s.shimLocalStreamsAPI(t,c),s.shimRemoteStreamsAPI(t,c),s.shimTrackEventTransceiver(t,c),s.shimGetUserMedia(t,c),s.shimAudioContext(t,c),l.shimRTCIceCandidate(t,c),l.shimMaxMessageSize(t,c),l.shimSendThrowTypeError(t,c),l.removeExtmapAllowMixed(t,c);break;default:u("Unsupported browser!")}return d};var r=u(e("./utils")),i=u(e("./chrome/chrome_shim")),a=u(e("./edge/edge_shim")),o=u(e("./firefox/firefox_shim")),s=u(e("./safari/safari_shim")),l=u(e("./common_shim"));function u(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":12,"./firefox/firefox_shim":7,"./safari/safari_shim":10,"./utils":11}],3:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.shimGetDisplayMedia=n.shimGetUserMedia=void 0;var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./getusermedia");Object.defineProperty(n,"shimGetUserMedia",{enumerable:!0,get:function(){return i.shimGetUserMedia}});var a=e("./getdisplaymedia");Object.defineProperty(n,"shimGetDisplayMedia",{enumerable:!0,get:function(){return a.shimGetDisplayMedia}}),n.shimMediaStream=function(e){e.MediaStream=e.MediaStream||e.webkitMediaStream},n.shimOnTrack=function(e){if((void 0===e?"undefined":r(e))!=="object"||!e.RTCPeerConnection||"ontrack"in e.RTCPeerConnection.prototype)o.wrapPeerConnectionEvent(e,"track",function(e){return e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e});else{Object.defineProperty(e.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){this._ontrack&&this.removeEventListener("track",this._ontrack),this.addEventListener("track",this._ontrack=e)},enumerable:!0,configurable:!0});var t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){var n=this;return this._ontrackpoly||(this._ontrackpoly=function(t){t.stream.addEventListener("addtrack",function(r){var i=void 0;i=e.RTCPeerConnection.prototype.getReceivers?n.getReceivers().find(function(e){return e.track&&e.track.id===r.track.id}):{track:r.track};var a=new Event("track");a.track=r.track,a.receiver=i,a.transceiver={receiver:i},a.streams=[t.stream],n.dispatchEvent(a)}),t.stream.getTracks().forEach(function(r){var i=void 0;i=e.RTCPeerConnection.prototype.getReceivers?n.getReceivers().find(function(e){return e.track&&e.track.id===r.id}):{track:r};var a=new Event("track");a.track=r,a.receiver=i,a.transceiver={receiver:i},a.streams=[t.stream],n.dispatchEvent(a)})},this.addEventListener("addstream",this._ontrackpoly)),t.apply(this,arguments)}}},n.shimGetSendersWithDtmf=function(e){if((void 0===e?"undefined":r(e))==="object"&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){var t=function(e,t){return{track:t,get dtmf(){return void 0===this._dtmf&&("audio"===t.kind?this._dtmf=e.createDTMFSender(t):this._dtmf=null),this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};var n=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){var i=n.apply(this,arguments);return i||(i=t(this,e),this._senders.push(i)),i};var i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){i.apply(this,arguments);var t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}var a=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var n=this;this._senders=this._senders||[],a.apply(this,[e]),e.getTracks().forEach(function(e){n._senders.push(t(n,e))})};var o=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;this._senders=this._senders||[],o.apply(this,[e]),e.getTracks().forEach(function(e){var n=t._senders.find(function(t){return t.track===e});n&&t._senders.splice(t._senders.indexOf(n),1)})}}else if((void 0===e?"undefined":r(e))==="object"&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){var s=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){var e=this,t=s.apply(this,[]);return t.forEach(function(t){return t._pc=e}),t},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get:function(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}},n.shimGetStats=function(e){if(e.RTCPeerConnection){var t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var e=this,n=Array.prototype.slice.call(arguments),r=n[0],i=n[1],a=n[2];if(arguments.length>0&&"function"==typeof r)return t.apply(this,arguments);if(0===t.length&&(0==arguments.length||"function"!=typeof r))return t.apply(this,[]);var o=function(e){var t={};return e.result().forEach(function(e){var n={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(function(t){n[t]=e.stat(t)}),t[n.id]=n}),t},s=function(e){return new Map(Object.keys(e).map(function(t){return[t,e[t]]}))};return arguments.length>=2?t.apply(this,[function(e){i(s(o(e)))},r]):new Promise(function(n,r){t.apply(e,[function(e){n(s(o(e)))},r])}).then(i,a)}}},n.shimSenderReceiverGetStats=function(e){if((void 0===e?"undefined":r(e))==="object"&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver){if(!("getStats"in e.RTCRtpSender.prototype)){var t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){var e=this,n=t.apply(this,[]);return n.forEach(function(t){return t._pc=e}),n});var n=e.RTCPeerConnection.prototype.addTrack;n&&(e.RTCPeerConnection.prototype.addTrack=function(){var e=n.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){var e=this;return this._pc.getStats().then(function(t){return o.filterStats(t,e.track,!0)})}}if(!("getStats"in e.RTCRtpReceiver.prototype)){var i=e.RTCPeerConnection.prototype.getReceivers;i&&(e.RTCPeerConnection.prototype.getReceivers=function(){var e=this,t=i.apply(this,[]);return t.forEach(function(t){return t._pc=e}),t}),o.wrapPeerConnectionEvent(e,"track",function(e){return e.receiver._pc=e.srcElement,e}),e.RTCRtpReceiver.prototype.getStats=function(){var e=this;return this._pc.getStats().then(function(t){return o.filterStats(t,e.track,!1)})}}if("getStats"in e.RTCRtpSender.prototype&&"getStats"in e.RTCRtpReceiver.prototype){var a=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof e.MediaStreamTrack){var t=arguments[0],n=void 0,r=void 0,i=void 0;return(this.getSenders().forEach(function(e){e.track===t&&(n?i=!0:n=e)}),this.getReceivers().forEach(function(e){return e.track===t&&(r?i=!0:r=e),e.track===t}),i||n&&r)?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):n?n.getStats():r?r.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return a.apply(this,arguments)}}}},n.shimAddTrackRemoveTrackWithNative=l,n.shimAddTrackRemoveTrack=function(e,t){if(e.RTCPeerConnection){if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return l(e);var n=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this,t=n.apply(this);return this._reverseStreams=this._reverseStreams||{},t.map(function(t){return e._reverseStreams[t.id]})};var r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){var n=this;if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach(function(e){if(n.getSenders().find(function(t){return t.track===e}))throw new DOMException("Track already exists.","InvalidAccessError")}),!this._reverseStreams[t.id]){var i=new e.MediaStream(t.getTracks());this._streams[t.id]=i,this._reverseStreams[i.id]=t,t=i}r.apply(this,[t])};var i=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},i.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,n){var r=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");var i=[].slice.call(arguments,1);if(1!==i.length||!i[0].getTracks().find(function(e){return e===t}))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");if(this.getSenders().find(function(e){return e.track===t}))throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};var a=this._streams[n.id];if(a)a.addTrack(t),Promise.resolve().then(function(){r.dispatchEvent(new Event("negotiationneeded"))});else{var o=new e.MediaStream([t]);this._streams[n.id]=o,this._reverseStreams[o.id]=n,this.addStream(o)}return this.getSenders().find(function(e){return e.track===t})},["createOffer","createAnswer"].forEach(function(t){var n=e.RTCPeerConnection.prototype[t],r=s({},t,function(){var e=this,t=arguments,r=arguments.length&&"function"==typeof arguments[0];return r?n.apply(this,[function(n){var r=u(e,n);t[0].apply(null,[r])},function(e){t[1]&&t[1].apply(null,e)},arguments[2]]):n.apply(this,arguments).then(function(t){return u(e,t)})});e.RTCPeerConnection.prototype[t]=r[t]});var a=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){var e,t,n;return arguments.length&&arguments[0].type&&(arguments[0]=(e=this,t=arguments[0],n=t.sdp,Object.keys(e._reverseStreams||[]).forEach(function(t){var r=e._reverseStreams[t],i=e._streams[r.id];n=n.replace(RegExp(r.id,"g"),i.id)}),new RTCSessionDescription({type:t.type,sdp:n}))),a.apply(this,arguments)};var o=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get:function(){var e=o.get.apply(this);return""===e.type?e:u(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(e._pc!==this)throw new DOMException("Sender was not created by this connection.","InvalidAccessError");this._streams=this._streams||{};var n=void 0;Object.keys(this._streams).forEach(function(r){t._streams[r].getTracks().find(function(t){return e.track===t})&&(n=t._streams[r])}),n&&(1===n.getTracks().length?this.removeStream(this._reverseStreams[n.id]):n.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}}function u(e,t){var n=t.sdp;return Object.keys(e._reverseStreams||[]).forEach(function(t){var r=e._reverseStreams[t],i=e._streams[r.id];n=n.replace(RegExp(i.id,"g"),r.id)}),new RTCSessionDescription({type:t.type,sdp:n})}},n.shimPeerConnection=function(e,t){!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection),e.RTCPeerConnection&&t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){var n=e.RTCPeerConnection.prototype[t],r=s({},t,function(){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),n.apply(this,arguments)});e.RTCPeerConnection.prototype[t]=r[t]})},n.fixNegotiationNeeded=function(e,t){o.wrapPeerConnectionEvent(e,"negotiationneeded",function(e){var n=e.target;if(!(t.version<72)&&(!n.getConfiguration||"plan-b"!==n.getConfiguration().sdpSemantics)||"stable"===n.signalingState)return e})};var o=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}(e("../utils.js"));function s(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}function l(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map(function(t){return e._shimmedLocalStreams[t][0]})};var t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,n){if(!n)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};var r=t.apply(this,arguments);return this._shimmedLocalStreams[n.id]?-1===this._shimmedLocalStreams[n.id].indexOf(r)&&this._shimmedLocalStreams[n.id].push(r):this._shimmedLocalStreams[n.id]=[n,r],r};var n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var t=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach(function(e){if(t.getSenders().find(function(t){return t.track===e}))throw new DOMException("Track already exists.","InvalidAccessError")});var r=this.getSenders();n.apply(this,arguments);var i=this.getSenders().filter(function(e){return -1===r.indexOf(e)});this._shimmedLocalStreams[e.id]=[e].concat(i)};var r=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],r.apply(this,arguments)};var i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach(function(n){var r=t._shimmedLocalStreams[n].indexOf(e);-1!==r&&t._shimmedLocalStreams[n].splice(r,1),1===t._shimmedLocalStreams[n].length&&delete t._shimmedLocalStreams[n]}),i.apply(this,arguments)}}},{"../utils.js":11,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.shimGetDisplayMedia=function(e,t){if((!e.navigator.mediaDevices||!("getDisplayMedia"in e.navigator.mediaDevices))&&e.navigator.mediaDevices){if("function"!=typeof t)return void console.error("shimGetDisplayMedia: getSourceId argument is not a function");e.navigator.mediaDevices.getDisplayMedia=function(n){return t(n).then(function(t){var r=n.video&&n.video.width,i=n.video&&n.video.height,a=n.video&&n.video.frameRate;return n.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:t,maxFrameRate:a||3}},r&&(n.video.mandatory.maxWidth=r),i&&(n.video.mandatory.maxHeight=i),e.navigator.mediaDevices.getUserMedia(n)})}}}},{}],5:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0});var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};n.shimGetUserMedia=function(e,t){var n=e&&e.navigator;if(n.mediaDevices){var a=function(e){if((void 0===e?"undefined":r(e))!=="object"||e.mandatory||e.optional)return e;var t={};return Object.keys(e).forEach(function(n){if("require"!==n&&"advanced"!==n&&"mediaSource"!==n){var i="object"===r(e[n])?e[n]:{ideal:e[n]};void 0!==i.exact&&"number"==typeof i.exact&&(i.min=i.max=i.exact);var a=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==i.ideal){t.optional=t.optional||[];var o={};"number"==typeof i.ideal?(o[a("min",n)]=i.ideal,t.optional.push(o),(o={})[a("max",n)]=i.ideal):o[a("",n)]=i.ideal,t.optional.push(o)}void 0!==i.exact&&"number"!=typeof i.exact?(t.mandatory=t.mandatory||{},t.mandatory[a("",n)]=i.exact):["min","max"].forEach(function(e){void 0!==i[e]&&(t.mandatory=t.mandatory||{},t.mandatory[a(e,n)]=i[e])})}}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},o=function(e,o){if(t.version>=61)return o(e);if((e=JSON.parse(JSON.stringify(e)))&&"object"===r(e.audio)){var s=function(e,t,n){t in e&&!(n in e)&&(e[n]=e[t],delete e[t])};s((e=JSON.parse(JSON.stringify(e))).audio,"autoGainControl","googAutoGainControl"),s(e.audio,"noiseSuppression","googNoiseSuppression"),e.audio=a(e.audio)}if(e&&"object"===r(e.video)){var l=e.video.facingMode;l=l&&((void 0===l?"undefined":r(l))==="object"?l:{ideal:l});var u=t.version<66;if(l&&("user"===l.exact||"environment"===l.exact||"user"===l.ideal||"environment"===l.ideal)&&!(n.mediaDevices.getSupportedConstraints&&n.mediaDevices.getSupportedConstraints().facingMode&&!u)){delete e.video.facingMode;var c=void 0;if("environment"===l.exact||"environment"===l.ideal?c=["back","rear"]:("user"===l.exact||"user"===l.ideal)&&(c=["front"]),c)return n.mediaDevices.enumerateDevices().then(function(t){var n=(t=t.filter(function(e){return"videoinput"===e.kind})).find(function(e){return c.some(function(t){return e.label.toLowerCase().includes(t)})});return!n&&t.length&&c.includes("back")&&(n=t[t.length-1]),n&&(e.video.deviceId=l.exact?{exact:n.deviceId}:{ideal:n.deviceId}),e.video=a(e.video),i("chrome: "+JSON.stringify(e)),o(e)})}e.video=a(e.video)}return i("chrome: "+JSON.stringify(e)),o(e)},s=function(e){return t.version>=64?e:{name:({PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"})[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString:function(){return this.name+(this.message&&": 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r=t.sdp.split("\n").filter(function(e){return"a=extmap-allow-mixed"!==e.trim()}).join("\n");e.RTCSessionDescription&&t instanceof e.RTCSessionDescription?arguments[0]=new e.RTCSessionDescription({type:t.type,sdp:r}):t.sdp=r}return n.apply(this,arguments)}}},n.shimAddIceCandidateNullOrEmpty=function(e,t){if(e.RTCPeerConnection&&e.RTCPeerConnection.prototype){var n=e.RTCPeerConnection.prototype.addIceCandidate;n&&0!==n.length&&(e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?("chrome"===t.browser&&t.version<78||"firefox"===t.browser&&t.version<68||"safari"===t.browser)&&arguments[0]&&""===arguments[0].candidate?Promise.resolve():n.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())})}};var a=(r=e("sdp"))&&r.__esModule?r:{default:r},o=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return 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n=t.mediaDevices,r=n.getUserMedia.bind(n);t.mediaDevices.getUserMedia=function(e){return r(a(e))}}!t.getUserMedia&&t.mediaDevices&&t.mediaDevices.getUserMedia&&(t.getUserMedia=(function(e,n,r){t.mediaDevices.getUserMedia(e).then(n,r)}).bind(t))},n.shimConstraints=a,n.shimRTCIceServerUrls=function(e){if(e.RTCPeerConnection){var t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,n){if(e&&e.iceServers){for(var r=[],a=0;a<e.iceServers.length;a++){var o=e.iceServers[a];!o.hasOwnProperty("urls")&&o.hasOwnProperty("url")?(i.deprecated("RTCIceServer.url","RTCIceServer.urls"),(o=JSON.parse(JSON.stringify(o))).urls=o.url,delete o.url,r.push(o)):r.push(e.iceServers[a])}e.iceServers=r}return new t(e,n)},e.RTCPeerConnection.prototype=t.prototype,"generateCertificate"in t&&Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:function(){return t.generateCertificate}})}},n.shimTrackEventTransceiver=function(e){(void 0===e?"undefined":r(e))==="object"&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)&&Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})},n.shimCreateOfferLegacy=function(e){var t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(e){if(e){void 0!==e.offerToReceiveAudio&&(e.offerToReceiveAudio=!!e.offerToReceiveAudio);var n=this.getTransceivers().find(function(e){return"audio"===e.receiver.track.kind});!1===e.offerToReceiveAudio&&n?"sendrecv"===n.direction?n.setDirection?n.setDirection("sendonly"):n.direction="sendonly":"recvonly"===n.direction&&(n.setDirection?n.setDirection("inactive"):n.direction="inactive"):!0!==e.offerToReceiveAudio||n||this.addTransceiver("audio"),void 0!==e.offerToReceiveVideo&&(e.offerToReceiveVideo=!!e.offerToReceiveVideo);var r=this.getTransceivers().find(function(e){return"video"===e.receiver.track.kind});!1===e.offerToReceiveVideo&&r?"sendrecv"===r.direction?r.setDirection?r.setDirection("sendonly"):r.direction="sendonly":"recvonly"===r.direction&&(r.setDirection?r.setDirection("inactive"):r.direction="inactive"):!0!==e.offerToReceiveVideo||r||this.addTransceiver("video")}return t.apply(this,arguments)}},n.shimAudioContext=function(e){(void 0===e?"undefined":r(e))!=="object"||e.AudioContext||(e.AudioContext=e.webkitAudioContext)};var i=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}(e("../utils"));function a(e){return e&&void 0!==e.video?Object.assign({},e,{video:i.compactObject(e.video)}):e}},{"../utils":11}],11:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0});var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};n.extractVersion=o,n.wrapPeerConnectionEvent=function(e,t,n){if(e.RTCPeerConnection){var r=e.RTCPeerConnection.prototype,i=r.addEventListener;r.addEventListener=function(e,r){if(e!==t)return i.apply(this,arguments);var a=function(e){var t=n(e);t&&(r.handleEvent?r.handleEvent(t):r(t))};return this._eventMap=this._eventMap||{},this._eventMap[t]||(this._eventMap[t]=new Map),this._eventMap[t].set(r,a),i.apply(this,[e,a])};var a=r.removeEventListener;r.removeEventListener=function(e,n){if(e!==t||!this._eventMap||!this._eventMap[t]||!this._eventMap[t].has(n))return a.apply(this,arguments);var r=this._eventMap[t].get(n);return this._eventMap[t].delete(n),0===this._eventMap[t].size&&delete this._eventMap[t],0===Object.keys(this._eventMap).length&&delete this._eventMap,a.apply(this,[e,r])},Object.defineProperty(r,"on"+t,{get:function(){return this["_on"+t]},set:function(e){this["_on"+t]&&(this.removeEventListener(t,this["_on"+t]),delete this["_on"+t]),e&&this.addEventListener(t,this["_on"+t]=e)},enumerable:!0,configurable:!0})}},n.disableLog=function(e){return"boolean"!=typeof e?Error("Argument type: "+(void 0===e?"undefined":r(e))+". Please use a boolean."):(i=e,e?"adapter.js logging disabled":"adapter.js logging enabled")},n.disableWarnings=function(e){return"boolean"!=typeof e?Error("Argument type: "+(void 0===e?"undefined":r(e))+". Please use a boolean."):(a=!e,"adapter.js deprecation warnings "+(e?"disabled":"enabled"))},n.log=function(){("u"<typeof window?"undefined":r(window))==="object"&&!i&&"u">typeof console&&"function"==typeof console.log&&console.log.apply(console,arguments)},n.deprecated=function(e,t){a&&console.warn(e+" is deprecated, please use "+t+" instead.")},n.detectBrowser=function(e){var t={browser:null,version:null};if(void 0===e||!e.navigator)return t.browser="Not a browser.",t;var n=e.navigator;return n.mozGetUserMedia?(t.browser="firefox",t.version=o(n.userAgent,/Firefox\/(\d+)\./,1)):n.webkitGetUserMedia||!1===e.isSecureContext&&e.webkitRTCPeerConnection&&!e.RTCIceGatherer?(t.browser="chrome",t.version=o(n.userAgent,/Chrom(e|ium)\/(\d+)\./,2)):n.mediaDevices&&n.userAgent.match(/Edge\/(\d+).(\d+)$/)?(t.browser="edge",t.version=o(n.userAgent,/Edge\/(\d+).(\d+)$/,2)):e.RTCPeerConnection&&n.userAgent.match(/AppleWebKit\/(\d+)\./)?(t.browser="safari",t.version=o(n.userAgent,/AppleWebKit\/(\d+)\./,1),t.supportsUnifiedPlan=e.RTCRtpTransceiver&&"currentDirection"in e.RTCRtpTransceiver.prototype):t.browser="Not a supported browser.",t},n.compactObject=function e(t){return s(t)?Object.keys(t).reduce(function(n,r){var i,a=s(t[r]),o=a?e(t[r]):t[r],l=a&&!Object.keys(o).length;return void 0===o||l?n:Object.assign(n,(r in(i={})?Object.defineProperty(i,r,{value:o,enumerable:!0,configurable:!0,writable:!0}):i[r]=o,i))},{}):t},n.walkStats=l,n.filterStats=function(e,t,n){var r=n?"outbound-rtp":"inbound-rtp",i=new Map;if(null===t)return i;var a=[];return e.forEach(function(e){"track"===e.type&&e.trackIdentifier===t.id&&a.push(e)}),a.forEach(function(t){e.forEach(function(n){n.type===r&&n.trackId===t.id&&l(e,n,i)})}),i};var i=!0,a=!0;function o(e,t,n){var r=e.match(t);return r&&r.length>=n&&parseInt(r[n],10)}function s(e){return"[object Object]"===Object.prototype.toString.call(e)}function l(e,t,n){!t||n.has(t.id)||(n.set(t.id,t),Object.keys(t).forEach(function(r){r.endsWith("Id")?l(e,e.get(t[r]),n):r.endsWith("Ids")&&t[r].forEach(function(t){l(e,e.get(t),n)})}))}},{}],12:[function(e,t,n){},{}],13:[function(e,t,n){"use strict";var r={};r.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},r.localCName=r.generateIdentifier(),r.splitLines=function(e){return e.trim().split("\n").map(function(e){return e.trim()})},r.splitSections=function(e){return e.split("\nm=").map(function(e,t){return(t>0?"m="+e:e).trim()+"\r\n"})},r.getDescription=function(e){var t=r.splitSections(e);return t&&t[0]},r.getMediaSections=function(e){var t=r.splitSections(e);return t.shift(),t},r.matchPrefix=function(e,t){return r.splitLines(e).filter(function(e){return 0===e.indexOf(t)})},r.parseCandidate=function(e){for(var t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" "),n={foundation:t[0],component:parseInt(t[1],10),protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],address:t[4],port:parseInt(t[5],10),type:t[7]},r=8;r<t.length;r+=2)switch(t[r]){case"raddr":n.relatedAddress=t[r+1];break;case"rport":n.relatedPort=parseInt(t[r+1],10);break;case"tcptype":n.tcpType=t[r+1];break;case"ufrag":n.ufrag=t[r+1],n.usernameFragment=t[r+1];break;default:n[t[r]]=t[r+1]}return n},r.writeCandidate=function(e){var t=[];t.push(e.foundation),t.push(e.component),t.push(e.protocol.toUpperCase()),t.push(e.priority),t.push(e.address||e.ip),t.push(e.port);var n=e.type;return t.push("typ"),t.push(n),"host"!==n&&e.relatedAddress&&e.relatedPort&&(t.push("raddr"),t.push(e.relatedAddress),t.push("rport"),t.push(e.relatedPort)),e.tcpType&&"tcp"===e.protocol.toLowerCase()&&(t.push("tcptype"),t.push(e.tcpType)),(e.usernameFragment||e.ufrag)&&(t.push("ufrag"),t.push(e.usernameFragment||e.ufrag)),"candidate:"+t.join(" ")},r.parseIceOptions=function(e){return e.substr(14).split(" ")},r.parseRtpMap=function(e){var t=e.substr(9).split(" "),n={payloadType:parseInt(t.shift(),10)};return n.name=(t=t[0].split("/"))[0],n.clockRate=parseInt(t[1],10),n.channels=3===t.length?parseInt(t[2],10):1,n.numChannels=n.channels,n},r.writeRtpMap=function(e){var t=e.payloadType;void 0!==e.preferredPayloadType&&(t=e.preferredPayloadType);var n=e.channels||e.numChannels||1;return"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==n?"/"+n:"")+"\r\n"},r.parseExtmap=function(e){var t=e.substr(9).split(" ");return{id:parseInt(t[0],10),direction:t[0].indexOf("/")>0?t[0].split("/")[1]:"sendrecv",uri:t[1]}},r.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+"\r\n"},r.parseFmtp=function(e){for(var t,n={},r=e.substr(e.indexOf(" ")+1).split(";"),i=0;i<r.length;i++)n[(t=r[i].trim().split("="))[0].trim()]=t[1];return n},r.writeFmtp=function(e){var t="",n=e.payloadType;if(void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){var r=[];Object.keys(e.parameters).forEach(function(t){e.parameters[t]?r.push(t+"="+e.parameters[t]):r.push(t)}),t+="a=fmtp:"+n+" "+r.join(";")+"\r\n"}return t},r.parseRtcpFb=function(e){var t=e.substr(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}},r.writeRtcpFb=function(e){var t="",n=e.payloadType;return void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach(function(e){t+="a=rtcp-fb:"+n+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"}),t},r.parseSsrcMedia=function(e){var t=e.indexOf(" "),n={ssrc:parseInt(e.substr(7,t-7),10)},r=e.indexOf(":",t);return r>-1?(n.attribute=e.substr(t+1,r-t-1),n.value=e.substr(r+1)):n.attribute=e.substr(t+1),n},r.parseSsrcGroup=function(e){var t=e.substr(13).split(" ");return{semantics:t.shift(),ssrcs:t.map(function(e){return parseInt(e,10)})}},r.getMid=function(e){var t=r.matchPrefix(e,"a=mid:")[0];if(t)return t.substr(6)},r.parseFingerprint=function(e){var t=e.substr(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1]}},r.getDtlsParameters=function(e,t){return{role:"auto",fingerprints:r.matchPrefix(e+t,"a=fingerprint:").map(r.parseFingerprint)}},r.writeDtlsParameters=function(e,t){var n="a=setup:"+t+"\r\n";return e.fingerprints.forEach(function(e){n+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"}),n},r.parseCryptoLine=function(e){var t=e.substr(9).split(" ");return{tag:parseInt(t[0],10),cryptoSuite:t[1],keyParams:t[2],sessionParams:t.slice(3)}},r.writeCryptoLine=function(e){return"a=crypto:"+e.tag+" "+e.cryptoSuite+" "+("object"==typeof e.keyParams?r.writeCryptoKeyParams(e.keyParams):e.keyParams)+(e.sessionParams?" "+e.sessionParams.join(" "):"")+"\r\n"},r.parseCryptoKeyParams=function(e){if(0!==e.indexOf("inline:"))return null;var t=e.substr(7).split("|");return{keyMethod:"inline",keySalt:t[0],lifeTime:t[1],mkiValue:t[2]?t[2].split(":")[0]:void 0,mkiLength:t[2]?t[2].split(":")[1]:void 0}},r.writeCryptoKeyParams=function(e){return e.keyMethod+":"+e.keySalt+(e.lifeTime?"|"+e.lifeTime:"")+(e.mkiValue&&e.mkiLength?"|"+e.mkiValue+":"+e.mkiLength:"")},r.getCryptoParameters=function(e,t){return r.matchPrefix(e+t,"a=crypto:").map(r.parseCryptoLine)},r.getIceParameters=function(e,t){var n=r.matchPrefix(e+t,"a=ice-ufrag:")[0],i=r.matchPrefix(e+t,"a=ice-pwd:")[0];return n&&i?{usernameFragment:n.substr(12),password:i.substr(10)}:null},r.writeIceParameters=function(e){return"a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n"},r.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},n=r.splitLines(e)[0].split(" "),i=3;i<n.length;i++){var a=n[i],o=r.matchPrefix(e,"a=rtpmap:"+a+" ")[0];if(o){var s=r.parseRtpMap(o),l=r.matchPrefix(e,"a=fmtp:"+a+" ");switch(s.parameters=l.length?r.parseFmtp(l[0]):{},s.rtcpFeedback=r.matchPrefix(e,"a=rtcp-fb:"+a+" ").map(r.parseRtcpFb),t.codecs.push(s),s.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(s.name.toUpperCase())}}}return r.matchPrefix(e,"a=extmap:").forEach(function(e){t.headerExtensions.push(r.parseExtmap(e))}),t},r.writeRtpDescription=function(e,t){var n="";n+="m="+e+" ",n+=t.codecs.length>0?"9":"0",n+=" UDP/TLS/RTP/SAVPF ",n+=t.codecs.map(function(e){return void 0!==e.preferredPayloadType?e.preferredPayloadType:e.payloadType}).join(" ")+"\r\n",n+="c=IN IP4 0.0.0.0\r\n",n+="a=rtcp:9 IN IP4 0.0.0.0\r\n",t.codecs.forEach(function(e){n+=r.writeRtpMap(e),n+=r.writeFmtp(e),n+=r.writeRtcpFb(e)});var i=0;return t.codecs.forEach(function(e){e.maxptime>i&&(i=e.maxptime)}),i>0&&(n+="a=maxptime:"+i+"\r\n"),n+="a=rtcp-mux\r\n",t.headerExtensions&&t.headerExtensions.forEach(function(e){n+=r.writeExtmap(e)}),n},r.parseRtpEncodingParameters=function(e){var t,n=[],i=r.parseRtpParameters(e),a=-1!==i.fecMechanisms.indexOf("RED"),o=-1!==i.fecMechanisms.indexOf("ULPFEC"),s=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),l=s.length>0&&s[0].ssrc,u=r.matchPrefix(e,"a=ssrc-group:FID").map(function(e){return e.substr(17).split(" ").map(function(e){return parseInt(e,10)})});u.length>0&&u[0].length>1&&u[0][0]===l&&(t=u[0][1]),i.codecs.forEach(function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var r={ssrc:l,codecPayloadType:parseInt(e.parameters.apt,10)};l&&t&&(r.rtx={ssrc:t}),n.push(r),a&&((r=JSON.parse(JSON.stringify(r))).fec={ssrc:l,mechanism:o?"red+ulpfec":"red"},n.push(r))}}),0===n.length&&l&&n.push({ssrc:l});var c=r.matchPrefix(e,"b=");return c.length&&(c=0===c[0].indexOf("b=TIAS:")?parseInt(c[0].substr(7),10):0===c[0].indexOf("b=AS:")?1e3*parseInt(c[0].substr(5),10)*.95-16e3:void 0,n.forEach(function(e){e.maxBitrate=c})),n},r.parseRtcpParameters=function(e){var t={},n=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];n&&(t.cname=n.value,t.ssrc=n.ssrc);var i=r.matchPrefix(e,"a=rtcp-rsize");return t.reducedSize=i.length>0,t.compound=0===i.length,t.mux=r.matchPrefix(e,"a=rtcp-mux").length>0,t},r.parseMsid=function(e){var t,n=r.matchPrefix(e,"a=msid:");if(1===n.length)return{stream:(t=n[0].substr(7).split(" "))[0],track:t[1]};var i=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"msid"===e.attribute});if(i.length>0)return{stream:(t=i[0].value.split(" "))[0],track:t[1]}},r.parseSctpDescription=function(e){var t,n=r.parseMLine(e),i=r.matchPrefix(e,"a=max-message-size:");i.length>0&&(t=parseInt(i[0].substr(19),10)),isNaN(t)&&(t=65536);var a=r.matchPrefix(e,"a=sctp-port:");if(a.length>0)return{port:parseInt(a[0].substr(12),10),protocol:n.fmt,maxMessageSize:t};if(r.matchPrefix(e,"a=sctpmap:").length>0){var o=r.matchPrefix(e,"a=sctpmap:")[0].substr(10).split(" ");return{port:parseInt(o[0],10),protocol:o[1],maxMessageSize:t}}},r.writeSctpDescription=function(e,t){var n=[];return n="DTLS/SCTP"!==e.protocol?["m="+e.kind+" 9 "+e.protocol+" "+t.protocol+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctp-port:"+t.port+"\r\n"]:["m="+e.kind+" 9 "+e.protocol+" "+t.port+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctpmap:"+t.port+" "+t.protocol+" 65535\r\n"],void 0!==t.maxMessageSize&&n.push("a=max-message-size:"+t.maxMessageSize+"\r\n"),n.join("")},r.generateSessionId=function(){return Math.random().toString().substr(2,21)},r.writeSessionBoilerplate=function(e,t,n){return"v=0\r\no="+(n||"thisisadapterortc")+" "+(e||r.generateSessionId())+" "+(void 0!==t?t:2)+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},r.writeMediaSection=function(e,t,n,i){var a=r.writeRtpDescription(e.kind,t);if(a+=r.writeIceParameters(e.iceGatherer.getLocalParameters()),a+=r.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===n?"actpass":"active"),a+="a=mid:"+e.mid+"\r\n",e.direction?a+="a="+e.direction+"\r\n":e.rtpSender&&e.rtpReceiver?a+="a=sendrecv\r\n":e.rtpSender?a+="a=sendonly\r\n":e.rtpReceiver?a+="a=recvonly\r\n":a+="a=inactive\r\n",e.rtpSender){var o="msid:"+i.id+" "+e.rtpSender.track.id+"\r\n";a+="a="+o,a+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+o,e.sendEncodingParameters[0].rtx&&(a+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+o,a+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return a+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+r.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(a+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+r.localCName+"\r\n"),a},r.getDirection=function(e,t){for(var n=r.splitLines(e),i=0;i<n.length;i++)switch(n[i]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return n[i].substr(2)}return t?r.getDirection(t):"sendrecv"},r.getKind=function(e){return r.splitLines(e)[0].split(" ")[0].substr(2)},r.isRejected=function(e){return"0"===e.split(" ",2)[1]},r.parseMLine=function(e){var t=r.splitLines(e)[0].substr(2).split(" ");return{kind:t[0],port:parseInt(t[1],10),protocol:t[2],fmt:t.slice(3).join(" ")}},r.parseOLine=function(e){var t=r.matchPrefix(e,"o=")[0].substr(2).split(" ");return{username:t[0],sessionId:t[1],sessionVersion:parseInt(t[2],10),netType:t[3],addressType:t[4],address:t[5]}},r.isValidSDP=function(e){if("string"!=typeof e||0===e.length)return!1;for(var t=r.splitLines(e),n=0;n<t.length;n++)if(t[n].length<2||"="!==t[n].charAt(1))return!1;return!0},"object"==typeof t&&(t.exports=r)},{}]},{},[1])}